Simplify composeExchanges helper

urql-graphql · Dec 2, 2020 · 5d4ccdd · 5d4ccdd
1 parent 4ec7780
commit 5d4ccdd
Showing 1 changed file with 18 additions and 16 deletions.
diff --git a/packages/core/src/exchanges/compose.ts b/packages/core/src/exchanges/compose.ts
@@ -5,19 +5,21 @@ export const composeExchanges = (exchanges: Exchange[]) => ({
   client,
   forward,
   dispatchDebug,
-}: ExchangeInput) =>
-  exchanges.reduceRight(
-    (forward, exchange) =>
-      exchange({
-        client,
-        forward,
-        dispatchDebug(event) {
-          dispatchDebug({
-            timestamp: Date.now(),
-            source: exchange.name,
-            ...event,
-          });
-        },
-      }),
-    forward
-  );
+}: ExchangeInput) => {
+  let i = exchanges.length;
+  while (i--) {
+    forward = exchanges[i]({
+      client,
+      forward,
+      dispatchDebug(event) {
+        dispatchDebug({
+          timestamp: Date.now(),
+          source: exchanges[i].name,
+          ...event,
+        });
+      },
+    });
+  }
+
+  return forward;
+}